Oak Brook, IL Historical Household and Family Data
ACS 2010-2014 data
Total population: 7,967
| Oak Brook, IL | Illinois | U.S. | |
| Total Households | 3,048, 100% | 4,778,633 | 116,211,092 |
| Average Household Size | 2.57, see rank | 2.63 | 2.63 |
| 1 Person Households | 473, 15.52%, see rank | 28.68% | 27.57% |
| 2 or More Person Households | 2,575, 84.48%, see rank | 71.32% | 72.43% |
| Family Households (Families) | 2,534, 83.14%, see rank | 65.52% | 66.22% |
| Average Family Size | 2.87, see rank | 3.36 | 3.32 |
| Married-Couple Family | 2,236, 73.36%, see rank | 48.22% | 48.42% |
| Nonfamily Households | 514, 16.86%, see rank | 34.48% | 33.78% |
US Census 2010 data
Total population: 7,883
| Oak Brook, IL | Illinois | U.S. | |
| Total Households | 2,939, 100% | 4,836,972 | 116,716,292 |
| Average Household Size | 2.63, see rank | 2.59 | 2.58 |
| 1 Person Households | 534, 18.17%, see rank | 27.83% | 26.74% |
| 2 or More Person Households | 2,405, 81.83%, see rank | 72.17% | 73.26% |
| Family Households (Families) | 2,363, 80.40%, see rank | 65.81% | 66.43% |
| Average Family Size | 2.99, see rank | 3.20 | 3.14 |
| Married-Couple Family | 2,162, 73.56%, see rank | 48.23% | 48.42% |
| Nonfamily Households | 576, 19.60%, see rank | 34.19% | 33.57% |
ACS 2008-2012 data
Total population: 7,905
| Oak Brook, IL | Illinois | U.S. | |
| Total Households | 2,897, 100% | 4,774,275 | 115,226,802 |
| Average Household Size | 2.68, see rank | 2.62 | 2.61 |
| 1 Person Households | 508, 17.54%, see rank | 28.52% | 27.45% |
| 2 or More Person Households | 2,389, 82.46%, see rank | 71.48% | 72.55% |
| Family Households (Families) | 2,334, 80.57%, see rank | 65.82% | 66.47% |
| Average Family Size | 3.06, see rank | 3.34 | 3.29 |
| Married-Couple Family | 2,143, 73.97%, see rank | 48.67% | 48.97% |
| Nonfamily Households | 563, 19.43%, see rank | 34.18% | 33.53% |
ACS 2006-2010 data
Total population: 7,905
| Oak Brook, IL | Illinois | U.S. | |
| Total Households | 2,931, 100% | 4,769,951 | 114,235,996 |
| Average Household Size | 2.70, see rank | 2.61 | 2.59 |
| 1 Person Households | 562, 19.17%, see rank | 28.23% | 27.24% |
| 2 or More Person Households | 2,369, 80.83%, see rank | 71.77% | 72.76% |
| Family Households (Families) | 2,332, 79.56%, see rank | 66.28% | 66.75% |
| Average Family Size | 3.12, see rank | 3.31 | 3.25 |
| Married-Couple Family | 2,183, 74.48%, see rank | 49.36% | 49.60% |
| Nonfamily Households | 599, 20.44%, see rank | 33.72% | 33.25% |
ACS 2005-2009 data
Total population: 8,724
| Oak Brook, IL | Illinois | U.S. | |
| Total Households | 3,345, 100% | 4,749,388 | 112,611,029 |
| Average Household Size | 2.61, see rank | 2.62 | 2.60 |
| 1 Person Households | 742, 22.18%, see rank | 28.40% | 27.32% |
| 2 or More Person Households | 2,603, 77.82%, see rank | 71.60% | 72.68% |
| Family Households (Families) | 2,475, 73.99%, see rank | 66.09% | 66.67% |
| Average Family Size | 3.11, see rank | 3.34 | 3.27 |
| Married-Couple Family | 2,328, 69.60%, see rank | 49.35% | 49.71% |
| Nonfamily Households | 870, 26.01%, see rank | 33.91% | 33.33% |
US Census 2000 data
Total population: 8,702
| Oak Brook, IL | Illinois | U.S. | |
| Total Households | 3,124, 100% | 4,591,779 | 105,480,101 |
| Average Household Size | 2.74, see rank | 2.63 | 2.59 |
| 1 Person Households | 478, 15.30%, see rank | 26.78% | 25.82% |
| 2 or More Person Households | 2,646, 84.70%, see rank | 73.22% | 74.18% |
| Family Households (Families) | 2,590, 82.91%, see rank | 67.63% | 68.06% |
| Average Family Size | 3.04, see rank | 3.23 | 3.14 |
| Married-Couple Family | 2,393, 76.60%, see rank | 51.26% | 51.66% |
| Nonfamily Households | 534, 17.09%, see rank | 32.37% | 31.94% |
* ACS stands for U.S. Census American Community Survey. According to the U.S. Census, if the date is a range, you can interpret the data as an average of the period of time.